Question

`C_(8)H_(16)O_(6)(P)overset(O_(3))underset(Zn,H_(2)O)toC_(4)H_(8)O_(4)(Q) overset("Molisch")underset("reagent")to ` violet colour ring structure of P cannot be
A. `underset(OH)underset(|)(CH_(2))-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-CH=CH-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH_(2))`
B.
C. `underset(OH)underset(|)(CH_(2))-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-CH=CH-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-CH=O`
D. `HO OC-CH_(2)-underset(OH)underset(|)(CH)-CH=CH-underset(OH)underset(|)(CH)-CH_(2)-CO OH`

Answer 1

Correct Answer - B::C::D
carbohydrate (`alpha`-hydroxy carbonyl) gives test with molisch reagent.